#$%^&*AU2020200112A120200130.pdf#####BIOLOGICAL TISSUE ROOTAGE FACE, IMPLANT, METHOD FOR FORMING BIOLOGICAL TISSUE ROOTAGE FACE, AND METHOD FOR PRODUCING IMPLANT ABSTRACT There is disclosed a method for forming a biological tissue rootage face capable of rooting into a biological tissue, comprising a step of subjecting a surface of a biocompatible material to a laser nonthermal process to form a groove and simultaneously form a rough surface having numerous fingertip-shaped microvilli on an inner surface of the groove.A3] 45 € 45 (d) 31 31 (e) 4 41 & ; 41 ()f1